<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>10.PC端视口</title>
    <style>
        body {
            background-color: blue;
            height: 9000px
        }

        body::-webkit-scrollbar {
            background: #5f535f;
        }
    </style>
</head>

<body>

    <script>
        console.log('最干净的显示区域：', document.documentElement.clientWidth)
        console.log('最干净的显示区域+滚动条：', window.innerWidth)
        console.log('最干净的显示区域+滚动条+浏览器边框：', window.outerWidth)
        console.log('与浏览器与无，当前设备显示分辨率横向的值：', screen.width);
    </script>

</body>

</html>